WELL · 42-103-33144 · DISTRICT 8

Block 31 Unit #B 7

N

Crane County · Block 31 (Waddell) field  · Directional

Block 31 Unit #B 7 (API 42-103-33144) is a well in Crane County operated by Oxy USA Inc., completed December 31, 1994.

The RRC has issued 5 drilling permits between 1983 and 2013, permitted to 10,347 ft.

Completion filings report 8 formation tops, including Grayburg, Pennsylvanian, Devonian, Silurian (undifferentiated).

Its 3 leases have reported 15.6M barrels of oil and 971M mcf of gas since January 1993, last reporting in July 2026. The leases carry 341 wells, so these are lease totals, not this well alone.

Operator of record

OXY USA Inc.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Jan 26, 2026
Permits on file
3,316
Phone
(713) 215-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleOXY USA Inc.
Production reportsOXY USA Inc.through Apr 2026
Latest permitOXY USA Inc.Apr 2, 2013
10,347
total depth, ft
5
permits on file
Apr 2, 2013
last permit issued
Dec 31, 1994
completed
15.6M
cumulative oil, bbl
971M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 31, 1994
Shut in
—
Plugged
—

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 3 leases this well is completed on; they carry 341 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Block 31 Unit O-10-442Block 31 (Devonian)OXY USA EOR, LLC33015.2M971MJan 1993 – Jul 2026
Block 31 Unit O-10-445Block 31 (Ellenburger)Hilcorp Energy Company9477K589KJan 1993 – Jul 2026
Block 31 Unit O-10-34383Block 31 (Waddell)OXY USA Inc.29.89K281Dec 1994 – Sep 2025

Gas, mcf lease total

Last 12 months 4,291,857 · prior 12 5,329,012(-19%)

0500K1M202420252026

Oil, barrels lease total

Last 12 months 53,531 · prior 12 75,933(-30%)

05K10K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Arco Oil & Gas Co.Jan 1993 → May 1994
  2. 2Arco PermianJun 1994 → Dec 2001
  3. 3BP America Production CompanyJan 2002 → Oct 2010
  4. 4OXY USA Inc.Nov 2010 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
759713-99RecompletionOXY USA Inc.Mar 28, 2013Apr 2, 2013Mar 6, 20138,500
429941-99RecompletionArco PermianNov 10, 1994Nov 10, 1994Nov 16, 199410,347
358603-99RecompletionArco Oil & Gas Co.Apr 26, 1989May 1, 1989—10,347
200637-99DrillArco Oil & Gas Co.Jul 7, 1983Jul 7, 1983—10,290
192697-99DrillArco Oil & Gas Co.Apr 18, 1983Apr 18, 1983May 7, 198310,290

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-442————
—— O-10-445————
—— O-10-34383————

Formation tops

As filed on W-2/G-1. Subsea from 2,534 ft elevation.Download CSV →

FormationMD ftSubsea
Grayburg2,988-454
PennsylvanianPENN6,970-4,436
Devonian7,853-5,319
Silurian (undifferentiated)SILURIAN8,880-6,346
Silvrian8,880-6,346
Waddell9,945-7,411
Connell10,165-7,631
EllenburgerELLENBERGER10,274-7,740
Ellenburger10,274-7,740

Perforations

Perforated and open-hole intervals.

FromToType
7,8778,593Perforated
7,8778,805Perforated
9,99610,044Perforated
10,21910,297Perforated
10,21910,339Perforated
10,31010,368Open hole
10,31010,475Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6252,58211900 S
2.87510,107——
5.510,310—2,050 S
5.510,3107.8752,058 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jul 8, 2014Nov 20, 2013—
00Apr 19, 1995Jan 13, 1995Yes
00Feb 7, 1995Jul 19, 1991—
00Sep 24, 1991Jul 19, 1991—
00Oct 5, 1989Aug 17, 1989—
00Jun 9, 1989May 15, 1989—
00Jun 7, 1989——
00Jan 4, 1988Dec 17, 1987—
00Jan 12, 1984Aug 23, 1983—

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/10333144, documented in the API reference.